K-Swiss Women's Stabilor SLS Tennis Shoe (White / Platinum / Charcoal), Available in Various Sizes This shoe is perfect for an aggressive player. Lateral stability is achieved with a skeletal support cage and a sturdy midfoot shank. Traction comes from a tennis-specific, multi-surface wavebone tread pattern. Cushioning is provided by Shock Spring technology in the heel and forefoot. Stability enhanced further with perforated synthetic leather upper.